On Thu, Jun 06, 2024 at 02:50:22PM GMT, Neil Armstrong wrote: > With the SM8650-HDK, a Display Card kit can be connected to provide > a VTDR6130 display with Goodix Berlin Touch controller. > > In order to route the DSI lanes to the connector for the Display > Card kit, a switch must be changed on the board. > > The HDMI nodes are disabled since the DSI lanes are shared with > the DSI to HDMI transceiver. > > Add support for this card as an overlay and apply it it at > build-time to the sm8650-hdk dtb. > > Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx> > Tested-by: Vladimir Zapolskiy <vladimir.zapolskiy@xxxxxxxxxx> > Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> > Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> Please double check your subject prefix to match other similar files in the future. Thanks, Bjorn > --- > The SM8650-HDK is an embedded development platforms for the > Snapdragon 8 Gen 3 SoC aka SM8650, with the following features: > - Qualcomm SM8650 SoC > - 16GiB On-board LPDDR5 > - On-board WiFi 7 + Bluetooth 5.3/BLE > - On-board UFS4.0 > - M.2 Key B+M Gen3x2 PCIe Slot > - HDMI Output > - USB-C Connector with DP Almode & Audio Accessory mode > - Micro-SDCard Slot > - Audio Jack with Playback and Microphone > - 2 On-board Analog microphones > - 2 On-board Speakers > - 96Boards Compatible Low-Speed and High-Speed connectors [1] > - For Camera, Sensors and external Display cards > - Compatible with the Linaro Debug board [2] > - SIM Slot for Modem > - Debug connectors > - 6x On-Board LEDs > > An optional Display Card kit can be connected on top, > an overlay is handled to add support for the DSI Display > and Touch Controller. > > Product Page: [3] > > Dependencies: None > > [1] https://www.96boards.org/specifications/ > [2] https://git.codelinaro.org/linaro/qcomlt/debugboard > [3] https://www.lantronix.com/products/snapdragon-8-gen-3-mobile-hardware-development-kit/ > > To: Bjorn Andersson <andersson@xxxxxxxxxx> > To: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> > To: Rob Herring <robh@xxxxxxxxxx> > To: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx> > To: Conor Dooley <conor+dt@xxxxxxxxxx> > Cc: linux-arm-msm@xxxxxxxxxxxxxxx > Cc: devicetree@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> > > Changes in v6: > - added comment explaining why we disable nodes > - removed useles comment on why we add the port/endpoint/address/size-cells > - added Konrad's review > - Link to v5: https://lore.kernel.org/r/20240606-topic-sm8650-upstream-hdk-v5-1-5d878f3047e3@xxxxxxxxxx > > Changes in v5: > - Resend the display card overlay now the I2C crash is fixed > - Link to v4: https://lore.kernel.org/r/20240422-topic-sm8650-upstream-hdk-v4-0-b33993eaa2e8@xxxxxxxxxx > > Changes in v4: > - Rebased on next and fixed the apply failures > - Link to v3: https://lore.kernel.org/r/20240325-topic-sm8650-upstream-hdk-v3-0-4f365d7932af@xxxxxxxxxx > > Changes in v3: > - fixed regulator node name to fix ordering > - deleted pcie_1_phy_aux clock > - removed undeeded mdss_mdp status okay > - collected revied & tested tags > - Link to v2: https://lore.kernel.org/r/20240318-topic-sm8650-upstream-hdk-v2-0-b63a5d45a784@xxxxxxxxxx > > Changes in v2: > - Fixed commit messages with links, and recently added product page URL > - Swapped i2c3/i2c6 nodes > - Moved pcie_1_phy_aux_clk under pcie1_phy > - Removed duplicate mdp_vsync pinctrl state > - Collected review & tested tags > - Link to v1: https://lore.kernel.org/r/20240223-topic-sm8650-upstream-hdk-v1-0-ccca645cd901@xxxxxxxxxx > --- > arch/arm64/boot/dts/qcom/Makefile | 4 + > .../boot/dts/qcom/sm8650-hdk-display-card.dtso | 141 +++++++++++++++++++++ > 2 files changed, 145 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile > index 56992fc3fc59..0c1cebd16649 100644 > --- a/arch/arm64/boot/dts/qcom/Makefile > +++ b/arch/arm64/boot/dts/qcom/Makefile > @@ -250,6 +250,10 @@ dtb-$(CONFIG_ARCH_QCOM) += sm8550-mtp.dtb > dtb-$(CONFIG_ARCH_QCOM) += sm8550-qrd.dtb > dtb-$(CONFIG_ARCH_QCOM) += sm8550-samsung-q5q.dtb > dtb-$(CONFIG_ARCH_QCOM) += sm8550-sony-xperia-yodo-pdx234.dtb > + > +sm8650-hdk-display-card-dtbs := sm8650-hdk.dtb sm8650-hdk-display-card.dtbo > + > +dtb-$(CONFIG_ARCH_QCOM) += sm8650-hdk-display-card.dtb > dtb-$(CONFIG_ARCH_QCOM) += sm8650-hdk.dtb > dtb-$(CONFIG_ARCH_QCOM) += sm8650-mtp.dtb > dtb-$(CONFIG_ARCH_QCOM) += sm8650-qrd.dtb > diff --git a/arch/arm64/boot/dts/qcom/sm8650-hdk-display-card.dtso b/arch/arm64/boot/dts/qcom/sm8650-hdk-display-card.dtso > new file mode 100644 > index 000000000000..cb102535838d > --- /dev/null > +++ b/arch/arm64/boot/dts/qcom/sm8650-hdk-display-card.dtso > @@ -0,0 +1,141 @@ > +// SPDX-License-Identifier: BSD-3-Clause > +/* > + * Copyright (c) 2024, Linaro Limited > + */ > + > +/* > + * Display Card kit overlay > + * This requires S5702 Switch 7 to be turned to OFF to route DSI0 to the display panel > + */ > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/interrupt-controller/irq.h> > + > +/dts-v1/; > +/plugin/; > + > +/* Disable HDMI bridge related nodes (mutually exclusive with the display card) */ > + > +&i2c6 { > + status = "disabled"; > +}; > + > +<9611_1v2 { > + status = "disabled"; > +}; > + > +<9611_3v3 { > + status = "disabled"; > +}; > + > +&vreg_bob_3v3 { > + status = "disabled"; > +}; > + > +<9611_codec { > + status = "disabled"; > +}; > + > +&mdss_dsi0 { > + #address-cells = <1>; > + #size-cells = <0>; > + > + panel@0 { > + compatible = "visionox,vtdr6130"; > + reg = <0>; > + > + reset-gpios = <&tlmm 133 GPIO_ACTIVE_LOW>; > + > + vddio-supply = <&vreg_l12b_1p8>; > + vci-supply = <&vreg_l13b_3p0>; > + vdd-supply = <&vreg_l11b_1p2>; > + > + pinctrl-0 = <&disp0_reset_n_active>, <&mdp_vsync>; > + pinctrl-1 = <&disp0_reset_n_suspend>, <&mdp_vsync>; > + pinctrl-names = "default", "sleep"; > + > + port { > + panel0_in: endpoint { > + remote-endpoint = <&mdss_dsi0_out>; > + }; > + }; > + }; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@1 { > + reg = <1>; > + > + mdss_dsi0_out: endpoint { > + remote-endpoint = <&panel0_in>; > + }; > + }; > + }; > +}; > + > +&spi4 { > + #address-cells = <1>; > + #size-cells = <0>; > + > + status = "okay"; > + > + touchscreen@0 { > + compatible = "goodix,gt9916"; > + reg = <0>; > + > + interrupt-parent = <&tlmm>; > + interrupts = <162 IRQ_TYPE_LEVEL_LOW>; > + > + reset-gpios = <&tlmm 161 GPIO_ACTIVE_LOW>; > + > + avdd-supply = <&vreg_l14b_3p2>; > + > + spi-max-frequency = <1000000>; > + > + touchscreen-size-x = <1080>; > + touchscreen-size-y = <2400>; > + > + pinctrl-0 = <&ts_irq>, <&ts_reset>; > + pinctrl-names = "default"; > + }; > +}; > + > +&tlmm { > + disp0_reset_n_active: disp0-reset-n-active-state { > + pins = "gpio133"; > + function = "gpio"; > + drive-strength = <8>; > + bias-disable; > + }; > + > + disp0_reset_n_suspend: disp0-reset-n-suspend-state { > + pins = "gpio133"; > + function = "gpio"; > + drive-strength = <2>; > + bias-pull-down; > + }; > + > + mdp_vsync: mdp-vsync-state { > + pins = "gpio86"; > + function = "mdp_vsync"; > + drive-strength = <2>; > + bias-pull-down; > + }; > + > + ts_irq: ts-irq-state { > + pins = "gpio161"; > + function = "gpio"; > + drive-strength = <8>; > + bias-pull-up; > + output-disable; > + }; > + > + ts_reset: ts-reset-state { > + pins = "gpio162"; > + function = "gpio"; > + drive-strength = <8>; > + bias-pull-up; > + }; > +}; > > --- > base-commit: 234cb065ad82915ff8d06ce01e01c3e640b674d2 > change-id: 20240223-topic-sm8650-upstream-hdk-e21cfd6f1de8 > > Best regards, > -- > Neil Armstrong <neil.armstrong@xxxxxxxxxx> > >
